He wanted 25 miles, distance_sphere returns meters, it's a rough conversion factor.<br><br><div><span class="gmail_quote">On 4/2/07, <b class="gmail_sendername">Jeremy Dunck</b> <<a href="mailto:jdunck@gmail.com">jdunck@gmail.com
</a>> wrote:</span><blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;">On 4/2/07, David William Bitner <<a href="mailto:david.bitner@gmail.com">
david.bitner@gmail.com</a>> wrote:<br>...<br>> distance_sphere(hospital1geom,hospitals2geom)<25*1609 order<br><br>What's the 1609 for?<br>_______________________________________________<br>postgis-users mailing list
<br><a href="mailto:postgis-users@postgis.refractions.net">postgis-users@postgis.refractions.net</a><br><a href="http://postgis.refractions.net/mailman/listinfo/postgis-users">http://postgis.refractions.net/mailman/listinfo/postgis-users
</a><br></blockquote></div><br><br clear="all"><br>-- <br>************************************<br>David William Bitner